5 443 Exponent Status

PrimeNet Exponent Status

M_n

Details

Composite, with 1 known prime factor. Cofactor is composite.

Trial Factored to 2⁶⁸

TF target 2⁴⁴

Factored

Factor	Digits	Bits	Date
2930273793047969596698853986078324244506549586319342419121	58	190.9	2019-06-27 21:30:08

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	4588 / 4588
45	11000000	9201 / 9201
50	44000000	16550 / 16550
55	110000000	40830 / 40830
60	260000000	42849 / 105362

Estimated T-Level: 57.0 ⓘ

TF below 2^184 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift	Software
Factored		Unknown	53DF	0	Unknown,(aka U)
Factored		George Woltman	68E62F1CC80553DF	0	Woltman,Prime95,first web release,(aka W4)
Factored		Brian J. Beesley	68E62F1CC80553DF	0	Mac,John Sweeney,v1.4,(aka J3)
Factored	2015-04-11	MadPoo 🙂	68E62F1CC80553DF	688	Windows 64-bit,Prime95,v26,(aka We4)

PRP Cofactor

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	No proof (small exponent)	2019-06-28	M8909387	0405CADD8B3D9B8D	1	4019	5	3
Verified	No proof (small exponent)	2019-06-29	M Graber	0405CADD8B3D9B8D	1	2503	5	3
Verified	No proof (small exponent)	2020-04-17	Oliver Kruse	0405CADD8B3D9B8D	1	1263	5	3

History

Date	User	Type	Result
2025-05-08	masser	NF-PP1	Start=144/17, B1=2100000000, B2=2097900000000
2023-07-10	-anonymous-	NF-PM1	B1=46000000000, B2=193133522175293700
2020-04-17	Oliver Kruse	C-PRP	M5443/2930273793047969596698853986078324244506549586319342419121 : 0405CADD8B3D9B8D
2019-06-29	M Graber	C-PRP	M5443/2930273793047969596698853986078324244506549586319342419121 : 0405CADD8B3D9B8D
2019-06-28	M8909387	C-PRP	M5443/2930273793047969596698853986078324244506549586319342419121 : 0405CADD8B3D9B8D
2019-06-27	Ryan Propper	F-ECM	Factor: 2930273793047969596698853986078324244506549586319342419121
2017-06-08	snme2pm1	NF	no factor TF: 63-64
2016-11-26	-anonymous-	NF-PM1	B1=100000000000, B2=1000000000000, E=12
2016-05-04	mikr	NF-PM1	B1=50000000000, B2=3200000000000, E=12
2016-02-23	LaurV	NF	no factor TF: 57-58
2015-12-07	snme2pm1	NF	no factor TF: 62-63
2015-07-03	Sid & Andy	NF	no factor TF: 61-62
2015-04-11	MadPoo 🙂	C-LL	68E62F1CC80553DF
2015-02-12	Jayder	NF-PM1	B1=2455663842, B2=157162485888, E=12
2012-09-29	bcp19	NF	no factor TF: 60-61
2011-05-04	Joss	NF-PM1	B1=10000000000
2011-01-19	monst	NF	no factor TF: 58-60
2003-05-19	-anonymous-	NF-PM1	B1=1000000, B2=100000000, E=48
2003-01-16	-anonymous-	NF-PM1	B1=4290000000
2002-12-31	-anonymous-	NF	no factor TF: 1-57
2002-09-29	-anonymous-	NF-PM1	B1=3221225472, B2=4290000000, E=48
2002-08-10	-anonymous-	NF-PM1	B1=2147483648, B2=4290000000, E=48
2002-06-02	-anonymous-	NF-PM1	B1=1073741824, B2=4290000000, E=48
2001-07-17	-anonymous-	NF-PM1	B1=3000000000, B2=4290000000
2001-06-17	-anonymous-	NF-PM1	B1=43000000, B2=4290000000
2001-02-11	-anonymous-	NF-PM1	B1=1000000, B2=100000000
2000-08-10	-anonymous-	NF	no factor TF: 1-56
2000-02-16	-anonymous-	NF	no factor TF: 54-55
1999-12-30	-anonymous-	NF	no factor TF: 53-54
1999-09-22	-anonymous-	NF	no factor TF: 52-53

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